Color

#66848a

#66848a
hex#66848a
rgbrgb(102, 132, 138)
hslhsl(190, 15%, 47%)
oklchoklch(0.592 0.035 211.2)
Closest name: Arctic (#648589)Relative luminance 0.2116

Colors that go with #66848a

Charcoal, Copper and Champagne lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#8a6c66

#668a7e · #66728a

#8a6684 · #848a66

Split-complementary

Open in tool →

#8a6672 · #8a7e66

#7e668a · #8a6c66 · #728a66

Contrast

#66848a as textRatioAAAA largeAAAFix
Aaon white
4.01:1failpassfail
  • AA: use #5f7b81 as the text (4.53:1)
  • AAA: use #455a5e as the text (7.3:1)
  • AA: or shift the background to #141414 (4.59:1)
Aaon black
5.23:1passpassfail
  • AAA: use #7e9aa0 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #66848a as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #66848a
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #66848a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/66848a-a2b6be-df4e7c-1f252d-e9f1ef?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md